Home / 13,604,998.80-18,774,898.57-7,493,427.30

Finding the Fourth Proportional to 13,604,998.80, 18,774,898.57 and 7,493,427.30

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Solution

The fourth proportional to 13,604,998.80, 18,774,898.57 and 7,493,427.30 is: 10,340,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604,998.80 : 18,774,898.57 = 7,493,427.30 : x
  2. Step 2: Convert to fraction form
    13,604,998.80/18,774,898.57 = 7,493,427.30/x
  3. Step 3: Cross multiply
    13,604,998.80x = 18,774,898.57 × 7,493,427.30
  4. Step 4: Simplify right side
    13,604,998.80x = 140,688,337,499,168.95
  5. Step 5: Solve for x
    x = 140,688,337,499,168.95/13,604,998.80
  6. Step 6: Final answer
    x = 10,340,929.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.